Ticket #95: Keep-alive mechanism for TCP and TLS transports

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@1473 74dad513-b988-da41-8d7b-12977e46ad98

1 files changed, 48 insertions, 2 deletions

diff --git a/pjsip/include/pjsip/sip_config.h b/pjsip/include/pjsip/sip_config.h
index 846c2a57..3d386097 100644
--- a/pjsip/include/pjsip/sip_config.h
+++ b/pjsip/include/pjsip/sip_config.h
@@ -265,10 +265,10 @@
  * Idle timeout interval to be applied to transports with no usage
  * before the transport is destroyed. Value is in seconds.
  *
- * Default: 60
+ * Default: 600
  */
 #ifndef PJSIP_TRANSPORT_IDLE_TIME
-#   define PJSIP_TRANSPORT_IDLE_TIME	60
+#   define PJSIP_TRANSPORT_IDLE_TIME	600
 #endif
 
 
@@ -298,6 +298,52 @@
 
 
 /**
+ * Set the interval to send keep-alive packet for TCP transports.
+ * If the value is zero, keep-alive will be disabled for TCP.
+ *
+ * Default: 90 (seconds)
+ *
+ * @see PJSIP_TCP_KEEP_ALIVE_DATA
+ */
+#ifndef PJSIP_TCP_KEEP_ALIVE_INTERVAL
+#   define PJSIP_TCP_KEEP_ALIVE_INTERVAL    90
+#endif
+
+
+/**
+ * Set the payload of the TCP keep-alive packet.
+ *
+ * Default: CRLF
+ */
+#ifndef PJSIP_TCP_KEEP_ALIVE_DATA
+#   define PJSIP_TCP_KEEP_ALIVE_DATA	    { "\r\n", 2 }
+#endif
+
+
+/**
+ * Set the interval to send keep-alive packet for TLS transports.
+ * If the value is zero, keep-alive will be disabled for TLS.
+ *
+ * Default: 90 (seconds)
+ *
+ * @see PJSIP_TLS_KEEP_ALIVE_DATA
+ */
+#ifndef PJSIP_TLS_KEEP_ALIVE_INTERVAL
+#   define PJSIP_TLS_KEEP_ALIVE_INTERVAL    90
+#endif
+
+
+/**
+ * Set the payload of the TLS keep-alive packet.
+ *
+ * Default: CRLF
+ */
+#ifndef PJSIP_TLS_KEEP_ALIVE_DATA
+#   define PJSIP_TLS_KEEP_ALIVE_DATA	    { "\r\n", 2 }
+#endif
+
+
+/**
  * This macro specifies whether full DNS resolution should be used.
  * When enabled, #pjsip_resolve() will perform asynchronous DNS SRV and
  * A (or AAAA, when IPv6 is supported) resolution to resolve the SIP